She lost the game, which depressed her greatly.
The pen with which you write is Jack’s.
Let me show you the novel that I borrowed from the library which is newly open to us.
①先行词是不定代词如all, little, few, much,anything, everything, nothing, none, no one等
She did all that she could to help us.
②先行词被all, every, no, some, little, much, the only, he very, the right，the last等所修饰时
This is the very book that I want.
She described in her compositions the people and he places that impressed her most.
This is the best book that I have ever read.
This is the first film that I’ve seen since I came here.
He built a factory which produced things that had never been seen before.
Who is the person that is standing at the gate?